Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger Jinan | 2017/08/07 02:40 | Yuya Kibi v Duckhee Lee | 2-6,2-6 |
| ITF Japan F6 | 2016/06/03 01:00 | Duckhee Lee v Yuya Kibi | 6-3,7-6 |
| ITF Japan F3 | 2016/03/26 02:00 | Duckhee Lee v Yuya Kibi | 6-2,6-3 |
| ITF Japan F1 | 2015/03/14 02:00 | Duckhee Lee v Yuya Kibi | 6-3,4-6,5-7 |
| Challenger Shanghai | 2017/09/14 02:30 | Duckhee Lee v Ze Zhang | 3-6,6-7 |
| Challenger Shanghai | 2017/09/12 05:10 | Duckhee Lee v Steven Diez | 6-3,6-3 |
| Challenger Zhangjiagang | 2017/09/05 06:35 | Jason Jung v Duckhee Lee | 6-4,6-1 |
| US Open Qual | 2017/08/24 22:05 | Joris De Loore v Duckhee Lee | 6-4,6-2 |
| US Open Qual | 2017/08/23 21:00 | Duckhee Lee v Gerald Melzer | 6-4,6-3 |
| Challenger Vancouver | 2017/08/15 18:00 | Duckhee Lee v Tennys Sandgren | 5-7,6-7 |
| Challenger Jinan | 2017/08/10 03:00 | Ricardas Berankis v Duckhee Lee | 6-1,6-2 |
| Challenger Jinan | 2017/08/09 04:45 | Cheong-Eui Kim v Duckhee Lee | 2-6,1-6 |
| Challenger Gwangju Qual | 2017/09/18 01:30 | Lorenzo Frigerio v Yuya Kibi | 4-6,3-6 |
| Challenger Gwangju Qual | 2017/09/17 02:40 | Woo Hyeok Jang v Yuya Kibi | 4-6,0-6 |
| Challenger Shanghai | 2017/09/14 02:30 | Hiroki Moriya v Yuya Kibi | 6-7,6-2,6-3 |
| Challenger Shanghai | 2017/09/12 08:00 | Yuya Kibi v Kento Takeuchi | 6-4,6-4 |
| Challenger Shanghai Qual | 2017/09/11 02:00 | Martins Podzus v Yuya Kibi | 4-6,5-7 |
| Challenger Shanghai Qual | 2017/09/10 02:00 | Miliaan Niesten v Yuya Kibi | 2-6,4-6 |
| Challenger Zhangjiagang | 2017/09/06 06:25 | Lorenzo Frigerio v Yuya Kibi | 7-6,6-4 |
| Challenger Zhangjiagang Qual | 2017/09/05 03:00 | Tsung-Hua Yang v Yuya Kibi | 6-2,3-6,5-7 |